Question about Bestec (ATX-250-12E) 250-Watt Power Supply
Power supply light blinks green, is solid when disconnected from the motherboard. Is the motherboard fried, or the power supply?
I had a power outage and when it returned my comaq wouldn't power on. small light on the bestec atx-12z smps was flashing green. disconnected power from motherboard. light became solid, reconnected motherboard, compaq started right up-no porblem.
Posted on Dec 26, 2009
The blinking light is telling you something about the PSU. First check any AC mains voltage select switches for proper setting. US should be 115. Second if you have a multimeter, you could test the PSU for voltage. Disconnect all power to all components. remove all components from the board including cpu, memory . Leave the PSU only plugged into the board. Press power. If the fan turns on then it's not the power supply. The brand power supply isn't the best, I've seen where you need to wait for 5-20 minutes for the blinking to stop, at which time it will fire up. Now, if it doesn't power up, then it's most likely the PSU.
Posted on Dec 08, 2009
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Posted on Jan 02, 2017
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